Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

A journey to the end of the world leads through wind swept coasts forests and channels where the edge of South America feels ...

Antarctica, one of the most remote places on Earth, teems with life. For tourists who make it this far south, the experience ...

Fossil egg found in Antarctica suggests marine reptiles laid eggs, challenging previous beliefs about ancient life.

Four new portraits have gone up at the Smithsonian National Portrait Gallery, showcasing this year’s recipients of the Portrait of America award for their transformative contributions to American ...

Dr. Kehinde Idowu was in the right place at the right time to assist when John Nimmo crashed his car after a scary medical episode while driving in Atlanta, Georgia.

Sometimes kids drop the phone after hearing Santa won't show up if they're not asleep. Others who call the NORAD Tracks Santa ...